I mostly shoot in colour, and for 35mm these are the films I use:
Fujichrome Velvia 50 (The unbeaten king of landscape photography, insanely sharp, unrivaled contrast and colours, shit for portraits.)
Fujichrome Velvia 100 (The colors aren't as warm the 50, people look a bit better do.)
Fujichrome Velvia 100F (A bit paler in colour then the 100 but very, very sharp.)
Fujichrome PROVIA 400X (The film that does everything, low noise)
Fujichrome PROVIA 100F (The film that does everything, now with low ISO.)
Fujichrome Astia 100 (Soft colors, perfect for portraits.)
The Velvia and Provia films have a cult following but the Velvia 50 is a legend itself.
Sadly not my pic but this is an example of what Velvia 50 can do: